CVE-2025-59689

Libraesva Email Security Gateway Command Injection Vulnerability

Libraesva — Email Security Gateway

Added to KEV catalog: 29 September 2025
Federal remediation due date: 20 October 2025
Weakness classification (CWE): CWE-77

CISA Description

Libraesva Email Security Gateway (ESG) contains a command injection vulnerability which allows command injection via a compressed e-mail attachment.

Required action

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Notes

https://docs.libraesva.com/knowledgebase/security-advisory-command-injection-vulnerability-cve-2025-59689/ ; https://nvd.nist.gov/vuln/detail/CVE-2025-59689

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